Linkoln Electric Magnum PRO 100SG Manuel De L'opérateur page 16

MAGNUM PRO 100SG
lINER aSSEMBlY REPlaCEMENT OR ClEaNINg
Replacement liner assemblies are factory-made to the correct
length. No cutting is required. The same liner fits all specified wire
sizes and alloys:
1. Remove gas cone, contact tip, and gas diffuser (see Gas
Diffuser Replacement in this Section). Remove spool cover.
2. Liner removal: Grasp liner with Needle nose pliers at point A.
Gently work liner toward cable connector until the liner is
loose in it. Be careful not to scrape liner's gas-tight seal (point
B) on connector. Withdraw liner out of gun tube (arrow C).
FIGURE D.2
(See figure D.2)
A
2a. Clean out old liner by blowing out with shop air or obtain a
new replacement liner.
3. Slide liner, seal-end first, into gun tube. Grasp liner with pliers
at
A. Gently push liner into connector.
B. Check that liner passes through slot in wire feeder.
C. Stop pushing when liner is 1.00 to 1.25 inches from end of
FIGURE D.3
gun tube. (See figure D.3)
1.00 - 1.25"
C
A
C
B
B
4. Liner installation: See step 4 above.
5. Reinstall gas diffuser (see Figure D.1) and thread into place.
Allow the diffuser to push the liner into its final position.
Tighten to 41 to 47 in.-lbs. with a torque wrench.
6. Reinstall contact tip and gas cone.
DRIvE ROll REPlaCEMENT
The same drive roll fits all specified wire sizes and alloys. Replace
the drive roll if its feeding groove has become worn or cannot be
cleaned of galled aluminum.
1. Drive roll removal: Remove wire from the wire drive. Unlock
drive roll by rotating twist-lock in either direction. (See figure
D.4 and figure D.5) .
2. Twist-lock is rotated to the locked position, securing drive roll
FIGURE D.4
in place.
3. Twist-lock is rotated to the unlocked position, allowing drive
FIGURE D.5
roll removal.
D-2
MAINTENANCE
Locked
Unlocked